Hikaru Koike has a diverse professional background in the IT and security sectors, beginning with a role as a Salesperson at a Japanese Securities company from April 2013 to September 2015. Following this, Hikaru transitioned into the IT field, serving as ICT Service Manager at a Japanese IT company from September 2016 to October 2018. Subsequent positions included Security Analyst at JPCERT/CC from October 2018 to September 2020, Security Operations Center Analyst at Accenture Japan from October 2020 to September 2023, and MDR Analyst at Sophos from September 2023 to September 2025. Currently, Hikaru works as a Senior Intelligence Analyst at Google since September 2025. Hikaru holds a degree in Political Science and Economics from 明治大学, completed between 2009 and 2013.
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